Terug In De Tijd

Recording by Jan Smit.

Recording identifiers

ISRC
NLH591000027
CopyrightID (CopyrightChains transaction hash)
0x27b8936ed0f24bec9a06892c9e45d4e4b6ce6272770b385dfcec19c59a95d84a
Copyright registration time
2026-06-18T20:21:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:67700a0a8e3e5d674c0debab43a96164ee4ab1e049a7b97b44139dd1c9c103b0

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.